Ranking of California Counties By Percentage of Population with Guyanese Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 3.91K people in California with Guyanese ancestry (0.01% of California population). Among all California counties, Contra Costa County had the highest percentage of its population with Guyanese ancestry (0.02%), followed by Marin County (0.02%), and San Bernardino County (0.02%).

The chart and table below shows the top 10 counties with high percentage of its population having Guyanese ancestry.

You can see similar information for other states and for other ancestry groups in California.

Data Source: US Census Bureau.
Ranking of California Counties By Percentage of Population with Guyanese Ancestry in 2021
Contra Costa County
Marin County
San Bernardino County
San Francisco County
Santa Clara County
Alameda County
Los Angeles County
Orange County
Riverside County
Sacramento County
Ranking of California Counties By Percentage of Population with Guyanese Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Contra Costa County 0.02
1 Marin County 0.02
1 San Bernardino County 0.02
1 San Francisco County 0.02
1 Santa Clara County 0.02
2 Alameda County 0.01
2 Los Angeles County 0.01
2 Orange County 0.01
2 Riverside County 0.01
2 Sacramento County 0.01
2 San Diego County 0.01
2 San Mateo County 0.01
2 Solano County 0.01
2 Ventura County 0.01
2 Yolo County 0.01
3 Imperial County 0.003
4 Humboldt County 0.002
5 Fresno County 0.001
5 Kern County 0.001
5 San Joaquin County 0.001
6 Sonoma County 0.000